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A152410 Column 3 of triangle A152406; also, column 0 of matrix 4-th power of A152406. +0
5
1, 4, 28, 260, 2916, 37712, 547240, 8751688, 152309648, 2857598164, 57379111732, 1225920973324, 27737038620452, 661937827915872, 16605857832896944, 436636765049489648, 12002769920717089856, 344160801015503753892 (list; graph; listen)
OFFSET

0,2

COMMENT

Matrix powers of triangle T=A152406 satisfy:

column k of T^(j+1) = column j of T^(k+1) for all j>=0, k>=0.

CROSSREFS

Cf. A152406; A152407, A152408, A152409.

Sequence in context: A064340 A002895 A141004 this_sequence A138272 A112915 A129683

Adjacent sequences: A152407 A152408 A152409 this_sequence A152411 A152412 A152413

KEYWORD

nonn

AUTHOR

Paul D. Hanna (pauldhanna(AT)juno.com), Dec 05 2008

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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